cars / power plants or farms? Do you believe latest study that says it's farms? Or is it all just crap? Fertilizers/ manure release ammonia, NH3, into the air & combine to generate tiny, gag-inducing particles that are less than 2.5 microns
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Volcanoes, when they erupt, put out more particulates, CO2 and sulfate in one blow than all of humanity does for several years.
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ptosis 18 months ago
A volcanic winter would counter global warming for a couple of years too maybe.
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